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March 2004 - present
Publications
Publications (82)
One of the key components of this research has been the mapping of Antarctic bed topography and ice thickness parameters that are crucial for modelling ice flow and hence for predicting future ice loss and
the ensuing sea level rise. Supported by the Scientific Committee on Antarctic Research (SCAR), the Bedmap3 Action Group aims not only to produc...
In Central Italy, the damage induced by the 2016-2017 seismic sequence to the building andinfrastructural heritage and the need to consider the surface fault rupture hazard in thereconstruction process incentivized Seismic Microzonation studies focused on capable faults.The presence of capable faults, that produced dislocation of the ground surface...
Ice is a rich reservoir of past climate information, and the well-documented increasing rate of glacier retreat represents a great loss for paleoclimate studies. In this framework, the Ice Memory project aims to extract and analyze ice cores from glacier regions worldwide and store them in Antarctica as a heritage record for future generations of s...
We present a 700 km airborne electromagnetic survey of late‐spring fast ice and sub‐ice platelet layer (SIPL) thickness distributions from McMurdo Sound to Cape Adare, providing a first‐time inventory of fast ice thickness close to its annual maximum. The overall mode of the consolidated ice (including snow) thickness was 1.9 m, less than its mean...
An airborne microwave wide-band radiometer (500–2000 MHz) was operated for the first time in Antarctica to better understand the emission properties of sea ice, outlet glaciers and the interior ice sheet from Terra Nova Bay to Dome C. The different glaciological regimes were revealed to exhibit unique spectral signatures in this portion of the micr...
Over the past 60 years, scientists have strived to understand the past, present and future of the Antarctic Ice Sheet. One of the key components of this research has been the mapping of Antarctic bed topography and ice thickness parameters that are crucial for modelling ice flow and hence for predicting future ice loss and ensuing sea level rise. S...
The increasing rate of glacier retreat in recent decades is well documented and represents a great loss for the paleoclimate studies. In this framework, Ice Memory project aims to extract and analyze ice cores from worldwide glacier regions and then storage them in Antarctica as heritage for future generations. Ice coring projects usually require a...
An airborne microwave wide-band radiometer (500–2000 MHz) was operated for the first time in Antarctica to better understand the emission properties of sea ice, outlet glaciers and the interior ice sheet from Terra Nova Bay to Dome C. The different glaciological regimes were revealed to exhibit unique spectral signatures in this portion of the micr...
We analyze seismic time series collected during experimental campaigns in the area of the David Glacier, South Victoria Land, Antarctica, between 2003 and 2016. We observe hundreds of repeating seismic events, characterized by highly correlated waveforms (cross-correlation > 0.95), which mainly occur in the floating area between the grounding and t...
The area south-east of Rome is characterised by the presence of several roman aqueducts which brought water to the eternal city from the Apennine and Alban Hills springs. In the last 40 years, several pieces of evidence about these aqueducts were acquired during the realisation of archaeological test trenches before building activities. In 2019, a...
A multi-parametric approach that involves the use of different geophysical methods coupled with geochemical data allowed us to identify undiscovered archeological burials in a funerary area of the Grotte di Castro Etruscan settlement. In particular, we tested the suitability of the capacitive resistivity method and the presence of Radon in soil for...
This paper stems from the interest in the numerical study of the evolution of Boulder Clay Glacier in Antarctica, whose morphological characteristics have required the revision of the basis for most of the recent mathematical models for glacier dynamics. Bearing in mind the need to minimize the complexity of the mathematical model, we have selected...
The paper aims to detect the main changes that occurred in the area surrounding the Mario Zucchelli Station (MZS) through analysis of multi-temporal remote sensing integrated by geophysical measurements. Specific attention was directed at realizing an integrated geomorphological study of the Boulder Clay Glacier, a partially debris-covered glacier...
Results from ground-penetrating radar (GPR) measurements and shallow ice cores carried out during a scientific traverse between Dome Concordia (DC) and Vostok stations are presented in order to infer both spatial and temporal characteristics of snow accumulation over the East Antarctic Plateau. Spatially continuous accumulation rates along the trav...
We examined the coast effect in Antarctica along the 80° S magnetic parallel. We used the geomagnetic field
measurements at the two coastal stations of Mario Zucchelli Station and Scott Base, and, as a reference, at the
inland temporary station Talos Dome, during 18 January–14 March 2008. Spectral analysis in the Pc5 frequency range (1–7 mHz) revea...
Basal melt rate is the most important physical quantity to be
evaluated when looking for an old-ice drilling site, and it depends to a
great extent on the geothermal flux (GF), which is poorly known under the
East Antarctic ice sheet. Given that wet bedrock has higher reflectivity
than dry bedrock, the wetness of the ice–bed interface can be assess...
A high-resolution (1 km line spacing) aerogeophysical survey was conducted over a region near the East Antarctic Ice Sheet's Dome C that may hold a 1.5 Myr climate record. We combined new ice thickness data derived from an airborne coherent radar sounder with unpublished data that was in part unavailable for earlier compilations, and we were able t...
Results from Ground Penetrating Radar (GPR) measurements and shallow ice cores carried out during a scientific traverse between Dome Concordia (DC) and Vostok stations are presented in order to infer both spatial and temporal characteristics of snow accumulation over the East Antarctic plateau. Spatially continuous accumulation rates along the trav...
This paper aims to bring to light the possible linkage between karstic phenomena and the human occupation of the Roman site of Carsulae (Tiber basin, Central Italy). Dolines are a typical morphological expression of karst rocks dissolution and collapse and, usually, they represent a potential hazard for human activities and, in particular, in the c...
Basal melt rate is the most important physical quantity to be evaluated when looking for an old-ice drilling site, and it strongly depends on the geothermal heat flux, which is poorly known under the East Antarctic ice sheet. The wetness of the ice-bed interface can be assessed from radar echoes on the bedrock, considering that a wet bedrock has a...
We present a compilation of radio-echo sounding (RES) measurements of five
radar systems (AWI, BAS, CReSIS, INGV and UTIG) around the EPICA Dome C (EDC)
drill site, East Antarctica. The aim of our study is to investigate the
differences of the various systems in their resolution of internal reflection
horizons (IRHs) and bed topography, penetration...
The availability of measurements of the geomagnetic field variations in Antarctica at three sites along the 80° S geomagnetic parallel, separated by approximately 1 h in magnetic local time, allows us to study the longitudinal dependence of the observed variations. In particular, using 1 min data from Mario Zucchelli Station, Scott Base and Talos D...
Radar exploration supports glaciological studies playing several roles in ice exploration such as determining ice thickness and volume, describing ice and snow internal layering and characterizing crevassed areas. The method, widely used with full success on Polar areas, encounters more difficulties when applied to survey mountain glaciers like the...
The brokering approach can be successfully used to overcome the crucial question of searching among enormous amount of data (raw and/or processed) produced and stored in different information systems. In this paper, authors describe the Data Management System the DMS (Data Management System) developed by INGV (Istituto Nazionale di Geofisica e Vulc...
The study deals with the morphogenetic meaning of several linear scarps that carved the paleo-landsurface of Valle Daria, an extended geomorphological feature located between Barisciano (AQ) and Prata D'Ansidonia (AQ). These villages are situated in the southern termination of the L'Aquila intermontane basin (one of the largest basin of the central...
A high resolution (1 km line spacing) aerogeophysical survey was conducted over a region near the East Antarctic Ice Sheet's Dome C that may hold a 1.5 million year old climate record. New ice thickness data derived from an airborne coherent radar sounder was combined with unpublished data that was unavailable for earlier compilations. We find unde...
We present a compilation of radio-echo sounding (RES) measurements of five radar systems (AWI, BAS, CReSIS, INGV and UTIG) around the EPICA Dome C (EDC) drill site, East Antarctica. The aim of our study is to investigate the differences of the various systems in their resolution of internal reflection horizons (IRHs) and bedrock topography, penetra...
Ice core drillings have been performed in various zones in Antarctica and Greenland to obtain climatological information, study ice properties, or analyze air and dust encapsulated in the ice during the quaternary period. During these procedures, a set of measurements to characterize the ice and to evaluate its physical and chemical properties are...
The “Mercator” (Medocc, INTERREG IIIB) is an European project aimed at the detailed investigation of the historical and archaeological heritage of the Mediterranean area. Within this project, a broad research on the importance of the ancient main merchant routes development in this region was financed. Among the various tasks, an integrated geophys...
Geophysical surveys have played a fundamental role in glaciology, climatology, and geology studies conducted at and around the site of the EPICA Dome C Ice Core (Antarctica). Analysis of radio-echo sounding (RES) data collected during the 2009 and 2011 Italian Antarctic Expeditions, in the immediate vicinity (2 km) of the Core site, reveals the pre...
Radio-echo sounding (RES) is a radar technique widely employed in Antarctica and Greenland to define bedrock topography but, over the last decade, it has also played an important role in subglacial lake exploration and hydrogeological studies at the bedrock/ice interface. In recent
studies, bedrock characterization has been improved through analysi...
The archaeological site of Mozia, a small island in front of the western coast of Sicily (Italy), is one of the most important Phoenician-Punic settlement in the Mediterranean; it preserves important vestiges and remains, located in an uncontaminated site, inhabited and car-free. The remains are still partially hidden under vegetation and vineyards...
Recent investigations at Circeo, in a site known as “Villa dei Quattro Venti”, have uncovered new clues which point to a new interpretation of the site.
The discovery of a votive inscription, the use of GPR and in- depth analysis of the structure’s building techniques, have made this reevaluation possible. The “villa dei Quattro Venti”may now be id...
Global climate models suggest that Antarctic snowfall should increase in a warming climate and mitigate rises in the sea level. Several processes affect surface mass balance (SMB), introducing large uncertainties in past, present and future ice sheet mass balance. To provide an extended perspective on the past SMB of Antarctica, we used 67 firn/ice...
We detail the Kamil crater (Egypt) structure and refine the impact
scenario, based on the geological and geophysical data collected during
our first expedition in February 2010. Kamil Crater is a model for
terrestrial small-scale hypervelocity impact craters. It is an
exceptionally well-preserved, simple crater with a diameter of 45 m,
depth of 10...
The exceptionally well-preserved Kamil Crater in Egypt provides a number
of diagnostic features of oblique impact trajectories (i.e., not
vertical, nor highly oblique <10°-15°) for terrestrial,
small-scale, simple craters.
Persistent katabatic winds form widely distributed localized areas of near-zero net surface accumulation on the East Antarctic ice sheet (EAIS) plateau. These areas have been called 'glaze' surfaces due to their polished appearance. They are typically 2–200 km2 in area and are found on leeward slopes of ice-sheet undulations and megadunes. Adjacent...
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In recent years, detailed geoarcheological investigations have been carried out to search for traces of the ancient Tindari harbor (north-east Sicily, Italy). A digital terrain model supported the hypothesis that 2,000 yr ago the Oliveri Basin was a suitable landing place that was protected from prevailing winds. Thi...
Global climate models suggest that Antarctic snowfall should increase in a warming climate and mitigate sea level rise, mainly due to the greater moisture-holding capacity of the warmer atmosphere. Several processes act on snow accumulation or surface mass balance (SMB), introducing large uncertainties in the past, present, and future ice sheet mas...
The radio echo sounding (RES) system is one of the most widely used active remote sensing techniques for polar ice sheet exploration, including bedrock morphology studies and subglacial lake investigations. Recently, bedrock characterization has been improved through the analysis of radar echo strength. In this paper, the analysis of the RES signal...
Impact craters up to a few hundreds of meters
in diameter are common structures of solid
surfaces of planetary bodies in the solar system.
Statistics predict that impacts producing
small craters on Earth occur on decadal to secular
time scales (1, 2). However, small craters are rare
on Earth because they are rapidly eroded, and
the few identified s...
The boundary of grounded ice and the location of ice transitioning to a freely floating state are mapped at 15-m resolution around the entire continent of Antarctica. These data products are produced by participants of the International Polar Year project ASAID using customized software combining Landsat-7 imagery and ICESat laser altimetry. The gr...
Results from this presentation were published in:
Bindschadler, R.A.; H. Choi, A. Wichlacz, R. Bingham, J. Bohlander, K. Brunt, H. Corr, R. Drews, H. Fricker, M. Hall, R. Hindmarsh, J. Kohler, L. Padman, W. Rack, G. Rotschky, S. Urbini, P. Vornberger and N. Young (2011) Getting around Antarctica: New high-resolution mappings of the grounded and fre...
Small impact craters (<300 m in diameter) are rare on Earth and mostly deeply eroded, so that knowledge of their formation mechanism and the hazard small impactors constitute to human populations is largely based on physical models. We report on the geophysical investigation of the Kamil Crater we recently discovered in southern Egypt. The Kamil Cr...
«Mercator» (Medocc, INTERREG IIIB) is a European project that is aimed at a detailed investigation of the historical and archeological heritage of the Mediterranean area. Within this project, broad research is being financed regarding the importance of the development of the main ancient merchant routes in this region. These various tasks include t...
We report on the detection in southern Egypt of an impact crater 45 meters in diameter with a pristine rayed structure. Such
pristine structures are typically observed on atmosphereless rocky or icy planetary bodies in the solar system. This feature
and the association with an iron meteorite impactor and shock metamorphism provides a unique picture...
In recent times, the GPR technique has assumed an important role in glacial environment exploration. Ice thickness, bedrock description, internal water floods or underground channel, glacial structures (as snow layering and crevasses detection) form part of our experience in Antarctica and in high alpine glacier ski areas. In this paper, we present...
In this paper, a method to distinguish a wet or dry bedrock-ice interface is proposed. It is based on the analysis of radio echo sounding (RES) measurements, a widely employed method for determining bedrock topography in Antarctica. In particular, the RES system has played an important role in subglacial lake exploration and hydrogeological studies...
In the convergence slope/coastal areas of Antarctica, a large fraction
of snow is continuously eroded and exported by wind to the atmosphere
and into the ocean. The extreme environmental conditions and remote
location of Antarctica have long inhibited the systematic study of its
climate and snow accumulation processes. Measurement of blowing snow i...
In this study, our initial results are presented for the interpretation of the radio echo sounding data collected over the Shackleton Ice Shelf and adjacent ice sheet (East Antarctica) during the 2003/2004 Australian-Italian expedition. The Shackleton Ice Shelf is one of the larger ice shelves of the East Antarctic Ice Sheet. The radar survey provi...
Impact craters up to a few hundreds of meters
in diameter are common structures of solid
surfaces of planetary bodies in the solar system.
Statistics predict that impacts producing
small craters on Earth occur on decadal to secular
time scales. However, small craters are rare
on Earth because they are rapidly eroded, and
the few identified so far [...
In the frame of glaciology and palaeoclimate research, Talos Dome (72°48lS; 159°06lE), an ice dome on the East Antarctic plateau, represents the new selected site for a new deep ice core drilling. The increasing interest in this region is due to the fact that the ice accumulation is higher here than in other domes in East Antarctica. A new deep dri...
The present essay is the result of a cooperative work between geophysicists and archaeologists in which the authors
carried out an integrated geophysical prospecting in an archaeological site near Rome. This paper describes the
methodology and the results of a geophysical survey carried out on Villa ai Cavallacci, an ancient roman building in
Alban...
Diverse fonti storiche testimoniano la fiorente attività marittima dell’antica città di Tindari. Esse, pur citando l’esistenza di un porto, non forniscono tuttavia alcuna informazione dettagliata circa la sua effettiva ubicazione, estensione e configurazione. Poiché una città strategica come Tindari non poteva non essere dotata di un sicuro e ben s...
